90695018313 has 6 divisors (see below), whose sum is σ = 131003915354. Its totient is φ = 60463345536.

The previous prime is 90695018279. The next prime is 90695018369. The reversal of 90695018313 is 31381059609.

90695018313 is a `hidden beast` number, since 9 + 0 + 69 + 501 + 83 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 83977084944 + 6717933369 = 289788^2 + 81963^2 .

It is not a de Polignac number, because 90695018313 - 2¹² = 90695014217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90695018213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5038612120 + ... + 5038612137.

Almost surely, 2^90695018313 is an apocalyptic number.

It is an amenable number.

90695018313 is a deficient number, since it is larger than the sum of its proper divisors (40308897041).

90695018313 is a wasteful number, since it uses less digits than its factorization.

90695018313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10077224263 (or 10077224260 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 90695018313 in words is "ninety billion, six hundred ninety-five million, eighteen thousand, three hundred thirteen".